Patent · US Active

Cellulose based electrically insulating material

US10937562B2 · kind B2 · utility

0Cited by

6References

20Claims

0Family size

Assignee

ABB Power Grids Switzerland AG · CH

Inventors

Leif Hakman · Oskarshamn, SE
Torbjorn Brattberg · Oskarshamn, SE
Anna Wahlberg · Stockholm, SE
Lars E. Schmidt · Oskarshamn, SE

Key dates

Filing date	Jul 21, 2014
Grant date	Mar 2, 2021
Priority date	—
Expiry date	Jun 28, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31993
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An electrical device including a cellulose based electrically insulating composite material in the form of a paper or pressboard, the composite material having cellulose fibres; and an electrically insulating thermoplastic polymer material; wherein the polymer material is arranged around and between the cellulose fibres, and binds the fibres to each other.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.